Shewanella: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Shewanella species colony characteristics on Muller-Hinton agar (MHA)

Introduction Shewanella is a genus of Gram-negative, facultative anaerobic bacteria that belongs to the family Shewanellaceae. These bacteria are known for their remarkable versatility and adaptability to a wide range of environmental conditions. They were first discovered in 1980 by researchers studying microbial fuel cells, …

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Clostridium: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Clostridium growth on blood agar under anaerobic condition of 48 hours- inhibition of growth around metronidazole but no effect towards gentamicin

Introduction Clostridium is a genus of Gram-positive, rod-shaped, spore-forming bacteria that belongs to the phylum Firmicutes. These bacteria are anaerobic, meaning they can thrive in environments devoid of oxygen. The name “Clostridium” is derived from the Greek word “kloster,” which means spindle, referring to their …

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Exotoxins and Endotoxins: Introduction, Differences, and Keynotes

Exotoxins and Endotoxins: Introduction, Differences, and Keynotes

Introduction of Exotoxins and Endotoxins Numerous bacteria produce toxins, enzymes, and pigments. Toxins and enzymes play significant roles in pathogenicity. Toxins are of two types- Differences Between Exotoxins and Endotoxins The differences between exotoxins and endotoxins are as follows- S. No Exotoxins Endotoxins 1. Exotoxins …

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